Details
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Bug
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Status: Resolved
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Normal
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Resolution: Duplicate
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None
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None
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Correctness - API / Semantic Implementation
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Low
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Low Hanging Fruit
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Code Inspection
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All
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None
Description
The CQL function writetime is disallowed to be applied to multi-cell columns, since no meaningful writetime can be determined from the cells.
Inspecting the code (i.e. WritetimeOrTTL#newSelectorFactory), it only check whether the column type is collection, ignoring the case of UDT. See the example below.
It should be fixed.
[cqlsh 6.1.0 | Cassandra 4.2-SNAPSHOT | CQL spec 3.4.5 | Native protocol v5] cqlsh> CREATE TYPE test.my_udt (a int, b int); cqlsh> CREATE TABLE test.tbl_wt (k int primary key, t test.my_udt); cqlsh> INSERT INTO test.tbl_wt (k, t) VALUES (1, { a: 1, b: 1 } ); cqlsh> SELECT writetime(t) FROM test.tbl_wt WHERE k = 1; writetime(t) -------------- -1 (1 rows)
Attachments
Issue Links
- Blocked
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- Resolved
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